void
MPTerrainEngineNode::createTerrain()
{
// scrub the heightfield cache.
if (_tileModelFactory)
_tileModelFactory->getHeightFieldCache()->clear();
// New terrain
_terrain = new TerrainNode( _deadTiles.get() );
this->addChild( _terrain );
// Enable blending on the terrain node; this will result in the underlying
// "empty" globe being transparent instead of white.
if (_terrainOptions.enableBlending().value())
{
_terrain->getOrCreateStateSet()->setMode(GL_BLEND , osg::StateAttribute::ON);
}
// Factory to create the root keys:
KeyNodeFactory* factory = getKeyNodeFactory();
// Build the first level of the terrain.
// Collect the tile keys comprising the root tiles of the terrain.
std::vector< TileKey > keys;
_update_mapf->getProfile()->getAllKeysAtLOD( *_terrainOptions.firstLOD(), keys );
// create a root node for each root tile key.
OE_INFO << LC << "Creating " << keys.size() << " root keys.." << std::endl;
RootTileGroup* root = new RootTileGroup();
_terrain->addChild( root );
osg::ref_ptr<osgDB::Options> dbOptions = Registry::instance()->cloneOrCreateOptions();
for( unsigned i=0; i<keys.size(); ++i )
{
osg::ref_ptr<osg::Node> node = factory->createRootNode( keys[i] );
if ( node.valid() )
{
root->addRootKey( keys[i], node.get(), _uid, _liveTiles.get(), _deadTiles.get(), dbOptions.get() );
}
else
{
OE_WARN << LC << "Couldn't make tile for root key: " << keys[i].str() << std::endl;
}
}
_rootTilesRegistered = false;
updateShaders();
}
void
MPTerrainEngineNode::createTerrain()
{
// scrub the heightfield cache.
if (_tileModelFactory)
_tileModelFactory->getHeightFieldCache()->clear();
// New terrain
_terrain = new TerrainNode( _deadTiles.get() );
this->addChild( _terrain );
// Enable blending on the terrain node; this will result in the underlying
// "empty" globe being transparent instead of white.
if (_terrainOptions.enableBlending().value())
{
_terrain->getOrCreateStateSet()->setMode(GL_BLEND , osg::StateAttribute::ON);
}
// Factory to create the root keys:
KeyNodeFactory* factory = getKeyNodeFactory();
// Build the first level of the terrain.
// Collect the tile keys comprising the root tiles of the terrain.
std::vector< TileKey > keys;
_update_mapf->getProfile()->getAllKeysAtLOD( *_terrainOptions.firstLOD(), keys );
// create a root node for each root tile key.
OE_INFO << LC << "Creating root keys (" << keys.size() << ")" << std::flush;
for( unsigned i=0; i<keys.size(); ++i )
{
osg::Node* node = factory->createRootNode( keys[i] );
OE_INFO_CONTINUE << "." << std::flush;
if ( node )
{
_terrain->addChild( node );
TileNode* tilenode = osgEarth::findTopMostNodeOfType<TileNode>(node);
if ( tilenode )
_liveTiles->add( tilenode );
}
else
{
OE_WARN << LC << "Couldn't make tile for root key: " << keys[i].str() << std::endl;
}
}
OE_INFO_CONTINUE << "done." << std::endl;
updateShaders();
}
